— No, you ______. You can do it later.

May: Dad, shall we go to the park this weekend?

Dad: Why do you want to go to the park?

May: I like the air there.

Dad: Do you know why the air in the park is fresh?

May: There are many trees in the park.

Dad: You are right. Trees can also cool air.

May: I like trees. We can get wood from trees. We can get fruit from trees, too.

Dad: Yes.

May: Trees are important in our life.

Dad: That's right!

A. It is very fresh.

B. Sure.

C. We should plant more trees.

D. Maybe the trees keep the air clean.

E. We can get a lot of things from trees.

F. But many people cut down the trees.

Mr Black is a teacher. He teaches maths in a middle school. He is . It's 9:00 pm now. He is working at school. Mrs Black goes home to their five-year-old son Jimmy.

When Mrs Black home, she sees Jimmy sleeping on his bed. When she helps Jimmy pull the quilt (被子), she finds two under the quilt. Mrs Black is angry they can make the quilt dirty. She wakes Jimmy up and asks, "Why do you put these under your quilt? Is it right for you to put here? Hamburgers can't be on the bed." "They are your and my dinner. You come home late. I want you to eat warm food, so I them under my quilt." says Jimmy. Mrs Black says, "I'm so sorry. And thank you, Jimmy. You're a good boy." Mrs Black holds Jimmy in her arms.